body {
	background-color: gold;
	background-image: url(../px/270px-Theta_Cen.jpg);
	background-size: 100% 100%;
	color: #fff;
}

footer {
	position: absolute;
	right: 3%;
	left: 3%;
	bottom: 5px;
	font-family: "Courier", serif;
	font-size: smaller;
	text-align: center;
}

h1 {
	text-align: center;
	width: 100%;
	color: #f22700;
}

p {
	text-align: center;
}

################## Klassen ##########################
.txblock {
	left: 3%;
	right: 3%;
	position: relative;
	width: 21%;
	border: 1px;
}